Research & Guides
Water quality guides
In-depth research on UK tap water quality, based on government data and scientific evidence. Written to help you make informed decisions about what you drink.
Best Water Filters UK
Tested against real contaminant data, not marketing claims
PFAS in UK Drinking Water
Everything you need to know about forever chemicals
The UK's Lead Pipe Problem
Which areas are most affected and what you can do
UK Water Hardness Map
Is your water hard or soft, and does it matter?
Understanding Your Water Supplier
How to read compliance reports and quality data
How to Test Your Tap Water
From DIY strips to professional lab analysis
Microplastics in UK Tap Water
What the research says and how to reduce exposure
Tap Water vs Bottled Water
Testing, contamination, cost, and environmental impact compared
Best Reverse Osmosis System UK
For PFAS, fluoride, and heavy metals
Best Shower Filter UK
Remove chlorine for better skin and hair
Best Whole House Filter UK
Filter every tap in your home
Best Water Testing Kit UK
Test your tap water at home
Best Filter for PFAS Removal
The only filters that remove forever chemicals
Best Water Filter Jug UK
BRITA vs ZeroWater vs the rest
Best Water Softener UK
Compare water softeners, installation costs, and which UK areas need one most